617 search results - page 29 / 124 » Semantic queries in databases: problems and challenges |
EUROCAST
2005
Springer
2005
Springer
Similarity Queries in Data Bases Using Metric Distances - from Modeling Semantics to Its Maintenance
14 years 2 months ago
Similarity queries in traditional databases work directly on attribute values. But, often similar attribute values do not indicate similar meanings. Semantic background information...
MM
2005
ACM
14 years 2 months ago
2005
ACM
In this paper we unify two supposedly distinct tasks in multimedia retrieval. One task involves answering queries with a few examples. The other involves learning models for seman...
VLDB
2007
ACM
14 years 2 months ago
2007
ACM
Testing a database engine has been and continues to be a challenging task. The space of possible SQL queries along with their possible access paths is practically unbounded. Moreo...
BXML
2003
13 years 10 months ago
2003
: The integration of heterogenous web sources is still a big challenge. One approach to deal with integration problems is the usage of domain knowledge in form of vocabularies or o...
VLDB
1991
ACM
14 years 9 days ago
1991
ACM
Most database interfaces provide poor guidance on ad hoc query formulation, burdening users to learn, and to recall precisely the query language and the database. Kaleidoscope avo...